确认请求(confirm,request)

<a id="newEvaluation" href="" target="mainFrame" οnclick="newEvaluation()">创建新评估</a> function newEvaluation() { if (confirm("是否新建评估?")) { document.all.newEvaluation.href="所要请求的URL地址" }else{ document.all.newEvaluation.href=" URL地址" } }